<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>购物车系统注册页面</title>

		<%-- 静态包含 base标签、css样式、jQuery文件 --%>
		<%@ include file="/pages/common/head.jsp"%>

		<script type="text/javascript">
			$(function () {

				$("#username").blur(function () {
					var username = this.value;
					
					// 发送请求检查用户名是否已存在
					$.getJSON("http://localhost:8080/ShoppingCart/userServlet","action=ajaxExistsUsername&username=" + username,function (data) {
						if (data.existsUsername) {
							$("span.errorMsg").text("用户名已存在！");
						} else {
							$("span.errorMsg").text("用户名可用！");
						}
					});
				});

				// 给验证码的图片绑定单击事件
				$("#code_img").click(function () {
					this.src = "${basePath}kaptcha.jpg?d=" + new Date();
				});

				// 给注册绑定单击事件
				$("#sub_btn").click(function () {
					// 验证用户名：必须由字母，数字下划线组成，并且长度为5到12位
					var usernameText = $("#username").val();
					var usernamePatt = /^\w{5,12}$/;
					if (!usernamePatt.test(usernameText)) {
						$("span.errorMsg").text("用户名不合法！");
						return false;
					}
					
					// 验证密码：必须由字母，数字下划线组成，并且长度为6到12位
					var passwordText = $("#password").val();
					var passwordPatt = /^\w{6,12}$/;
					if (!passwordPatt.test(passwordText)) {
						$("span.errorMsg").text("密码不合法！");
						return false;
					}

					// 验证确认密码：和密码相同
					// 获取确认密码内容
					var repwdText = $("#repwd").val();
					
					// 和密码相比较
					if (repwdText != passwordText) {
						$("span.errorMsg").text("确认密码和密码不一致！");
						return false;
					}

					// 邮箱验证：xxxxx@xxx.com
					var emailPatt = /^[a-z\d]+(\.[a-z\d]+)*@([\da-z](-[\da-z])?)+(\.{1,2}[a-z]+)+$/;
					if (!emailPatt.test(emailText)) {
						$("span.errorMsg").text("邮箱格式不合法！");
						return false;
					}

					var codeText = $("#code").val();

					// 去掉验证码前后空格
					codeText = $.trim(codeText);

					if (codeText == null || codeText == "") {
						$("span.errorMsg").text("验证码不能为空！");
						return false;
					}

					// 去掉错误信息
					$("span.errorMsg").text("");
				});
			});
		</script>
	<style type="text/css">
		.login_form{
			height:420px;
			margin-top: 25px;
		}
	</style>
	</head>
	<body>
		<div id="login_header">
			<img class="logo_img" alt="" src="static/img/logo.jpg" >
		</div>

			<div class="login_banner">

				<div id="l_content">
					<span class="login_word">欢迎注册</span>
				</div>

				<div id="content">
					<div class="login_form">
						<div class="login_box">
							<div class="tit">
								<h1>注册账号</h1>
								<span class="errorMsg">
									${ requestScope.msg }
								</span>
							</div>
							<div class="form">
								<form action="userServlet" method="post">
									<input type="hidden" name="action" value="register">
									<label>用户名：</label>
									<input class="itxt" type="text" placeholder="请输入用户名"
										   value="${requestScope.username}"
										   autocomplete="off" tabindex="1" name="username" id="username" />
									<br />
									<br />
									<label>密码：</label>
									<input class="itxt" type="password" placeholder="请输入密码"
										   autocomplete="off" tabindex="1" name="password" id="password" />
									<br />
									<br />
									<label>确认密码：</label>
									<input class="itxt" type="password" placeholder="确认密码"
										   autocomplete="off" tabindex="1" name="repwd" id="repwd" />
									<br />
									<br />
									<label>邮箱：</label>
									<input class="itxt" type="text" placeholder="请输入邮箱地址"
										   value="${requestScope.email}"
										   autocomplete="off" tabindex="1" name="email" id="email" />
									<br />
									<br />
									<label>验证码：</label>
									<input class="itxt" type="text" name="code" style="width: 80px;" id="code" />
									<img id="code_img" alt="" src="kaptcha.jpg" style="float: right; margin-right: 40px; width: 110px; height: 30px;">
									<br />
									<br />
									<input type="submit" value="注册" id="sub_btn" />
								</form>
							</div>

						</div>
					</div>
				</div>
			</div>

		<%--静态包含页脚内容--%>
		<%@include file="/pages/common/footer.jsp"%>

	</body>
</html>